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CY74FCT191CTSOCE4

CY74FCT191CTSOCE4

Basic Information Overview

  • Category: Integrated Circuit (IC)
  • Use: Digital Counter
  • Characteristics: High-speed, low-power consumption
  • Package: SOIC (Small Outline Integrated Circuit)
  • Essence: 4-bit synchronous binary up/down counter
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Supply Voltage: 4.5V to 5.5V
  • Operating Temperature Range: -40°C to +85°C
  • Maximum Clock Frequency: 100MHz
  • Counting Range: 0 to 15 (binary)

Detailed Pin Configuration

  1. CLK (Clock Input)
  2. UP/DOWN (Up/Down Control Input)
  3. LOAD (Parallel Load Input)
  4. D0 (Data Input 0)
  5. D1 (Data Input 1)
  6. D2 (Data Input 2)
  7. D3 (Data Input 3)
  8. Q0 (Output Bit 0)
  9. Q1 (Output Bit 1)
  10. Q2 (Output Bit 2)
  11. Q3 (Output Bit 3)
  12. GND (Ground)
  13. VCC (Supply Voltage)

Functional Features

  • Synchronous operation with the clock signal
  • Up or down counting based on the control input
  • Parallel loading of initial count value
  • Outputs reflect the current count value
  • High-speed operation suitable for time-critical applications
  • Low power consumption for energy-efficient designs

Advantages

  • Versatile counter IC suitable for various digital applications
  • Wide operating temperature range allows usage in extreme environments
  • High-speed performance enables real-time counting operations
  • Low power consumption extends battery life in portable devices

Disadvantages

  • Limited counting range (0 to 15) may not be sufficient for certain applications requiring larger counts
  • Only supports synchronous counting, which may not be suitable for all scenarios

Working Principles

The CY74FCT191CTSOCE4 is a 4-bit synchronous binary up/down counter. It operates based on the clock signal provided at the CLK pin. The UP/DOWN control input determines whether the counter counts up or down. The initial count value can be loaded in parallel using the LOAD input. The outputs (Q0-Q3) represent the current count value. The IC operates at high speed and consumes low power, making it ideal for various digital counting applications.

Detailed Application Field Plans

  1. Digital frequency dividers
  2. Event counters in industrial automation
  3. Pulse width modulation (PWM) generators
  4. Timekeeping circuits
  5. Sequential logic circuits

Detailed and Complete Alternative Models

  1. SN74LS191: 4-bit synchronous up/down binary counter
  2. CD40193: Presettable synchronous 4-bit binary up/down counter
  3. MC14516B: Synchronous programmable 4-bit binary up/down counter
  4. 74HC191: Synchronous 4-bit up/down binary counter with asynchronous clear

(Note: These alternative models are provided as examples and may have different specifications and features. Refer to their respective datasheets for detailed information.)

This entry provides an overview of the CY74FCT191CTSOCE4, a 4-bit synchronous binary up/down counter IC. It includes basic information, specifications, pin configuration, functional features, advantages, disadvantages, working principles, application field plans, and alternative models.

技術ソリューションにおける CY74FCT191CTSOCE4 の適用に関連する 10 件の一般的な質問と回答をリストします。

Sure! Here are 10 common questions and answers related to the application of CY74FCT191CTSOCE4 in technical solutions:

  1. Q: What is the CY74FCT191CTSOCE4? A: The CY74FCT191CTSOCE4 is a 4-bit synchronous binary up/down counter with parallel load.

  2. Q: What is the maximum clock frequency supported by the CY74FCT191CTSOCE4? A: The CY74FCT191CTSOCE4 can operate at a maximum clock frequency of 100 MHz.

  3. Q: Can the CY74FCT191CTSOCE4 be used as a standalone counter or does it require additional components? A: The CY74FCT191CTSOCE4 can be used as a standalone counter, but it may require additional components depending on the specific application requirements.

  4. Q: How many bits can the CY74FCT191CTSOCE4 count up to? A: The CY74FCT191CTSOCE4 is a 4-bit counter, so it can count up to 15 (1111 in binary).

  5. Q: Does the CY74FCT191CTSOCE4 support both up and down counting? A: Yes, the CY74FCT191CTSOCE4 supports both up and down counting based on the control inputs.

  6. Q: Can I load a specific value into the CY74FCT191CTSOCE4 instead of counting from the current value? A: Yes, the CY74FCT191CTSOCE4 has a parallel load feature that allows you to load a specific value into the counter.

  7. Q: What is the power supply voltage range for the CY74FCT191CTSOCE4? A: The CY74FCT191CTSOCE4 operates with a power supply voltage range of 4.5V to 5.5V.

  8. Q: What is the typical propagation delay of the CY74FCT191CTSOCE4? A: The typical propagation delay of the CY74FCT191CTSOCE4 is around 6 ns.

  9. Q: Can I cascade multiple CY74FCT191CTSOCE4 counters together to increase the number of bits? A: Yes, you can cascade multiple CY74FCT191CTSOCE4 counters together to increase the number of bits in the counter.

  10. Q: Are there any specific considerations for noise immunity when using the CY74FCT191CTSOCE4? A: The CY74FCT191CTSOCE4 has built-in noise immunity features, but it is always recommended to follow good PCB layout practices and provide proper decoupling capacitors for optimal performance.

Please note that these answers are general and may vary depending on the specific datasheet and application requirements.